RFOS Steel Open Rivetnut | Flat Head Round | M2.5-M12

Versatile Steel Rivetnuts for Materials up to 10.80mm Thick

The RFOS Round Flat Head Open End Rivetnuts are one of the most versatile threaded insert solutions for creating strong, reusable metric threads in thin materials, box sections, tubes, and sheet metal up to 10.80mm thick. Manufactured from high-quality zinc-plated steel, these rivetnuts provide excellent strength, durability, and corrosion resistance for a wide range of industrial and engineering applications.

With multiple grip ranges available across the size range, the RFOS series offers exceptional flexibility for manufacturers, fabricators, maintenance teams, and assembly operations.

Available Sizes

• M2.5 (2 Grip Lengths)
• M3 (4 Grip Lengths)
• M4 (4 Grip Lengths)
• M5 (4 Grip Lengths)
• M6 (5 Grip Lengths)
• M8 (5 Grip Lengths)
• M10 (4 Grip Lengths)
• M12 (5 Grip Lengths)

Key Features

• Suitable for materials up to 10.80mm thick
• Flat head design for excellent load distribution
• Open end construction for versatile fastening applications
• Round body for fast and simple installation
• Manufactured from durable steel
• Zinc Plated Cr3 finish for corrosion resistance
• RoHS compliant
• Creates strong, reusable metric threads
• Ideal for blind installation applications
• Available in a wide range of sizes and grip lengths

Product Specifications

• Code: RFOS
• Shape: Round
• Head: Flat Head
• Style: Open End
• Material: Steel
• Body: Metric
• Finish: Zinc Plated Cr3 (RoHS Compliant)
• Material Thickness: Up to 10.80mm

Typical Applications

• Sheet metal fabrication
• Automotive manufacturing
• Electrical enclosures
• HVAC systems
• Agricultural equipment
• Engineering assemblies
• Machinery manufacture
• Maintenance and repair projects

Why Choose RFOS Rivetnuts?

RFOS rivetnuts provide a strong and reliable threaded insert when access is only available from one side of the material. The flat head design helps distribute loads effectively, while the zinc-plated steel construction ensures long-lasting performance in demanding environments. With sizes ranging from M2.5 to M12 and multiple grip lengths available, the RFOS range is suitable for a wide variety of fastening applications.

Product Summary

The RFOS Round Flat Head Open End Rivetnuts create strong, reusable metric threads in materials up to 10.80mm thick. Manufactured from zinc-plated steel and available in sizes from M2.5 to M12, they are ideal for fabrication, engineering, automotive, and industrial fastening applications.